Convert kilograms to grams
Converting kilograms to grams is a common weight task, whether you are checking a recipe, a spec sheet, a travel distance or a homework problem. Since 1 kg equals 1,000 g, the math is a single multiplication — and this page does it for you instantly, with the formula, a table of common values and answers to the questions people ask most.
Exact factor
How to convert kilograms to grams
To convert kilograms to grams, multiply the number of kilograms by 1,000. For example, 10 kg × 1,000 = 10,000 g.
g = kg × 1,000
- Write down the value in kilograms you want to convert.
- Multiply it by 1,000 (the exact kg→g factor).
- The result is your value in grams. Check it below with the converter or the table.
Conversion table
Common values of kilograms and their equivalents in grams:
| kg | g |
|---|---|
| 1 | 1,000 |
| 2 | 2,000 |
| 3 | 3,000 |
| 4 | 4,000 |
| 5 | 5,000 |
| 10 | 10,000 |
| 20 | 20,000 |
| 25 | 25,000 |
| 50 | 50,000 |
| 100 | 100,000 |
| 250 | 250,000 |
| 500 | 500,000 |
About these units
Kilogram (kg). The kilogram is the SI base unit of mass, defined by fixing Planck's constant since 2019. It is the everyday standard for body weight, groceries and cargo worldwide.
Gram (g). The gram is the metric unit for everyday small masses, defined as one thousandth of a kilogram. Recipes, nutrition labels and postage are commonly specified in grams.
Frequently asked questions
How do I convert kilograms to grams?
To convert kilograms to grams, multiply the number of kilograms by 1,000. For example, 10 kg × 1,000 = 10,000 g. Or skip the math: type the value into the converter at the top of this page and the result updates instantly.
How many grams are in 1 kilogram?
1 kg = 1,000 g. That is the fixed relationship used by this converter and by international standards.
How many kilograms are in 1 gram?
1 g = 0.001 kg. If you are converting in the opposite direction, use our Gram to Kilogram converter for the dedicated table and FAQ.
Is the kilograms to grams conversion exact?
Yes. Both units are defined by international agreement, so the factor of 1,000 is exact. Displayed results are rounded to 6 significant digits only for readability.
What is kilogram used for?
The kilogram is the SI base unit of mass, defined by fixing Planck's constant since 2019. It is the everyday standard for body weight, groceries and cargo worldwide.